An Initial amount of 100 grams of Thorium-234 decays according to the model: dP/dt=-0.02828P (where t is measured in years).

a) Find the equation for the amount of Thorium left after t years.
b) Determine the half-life of this radioactive isotope
c) How long will it take for the sample to reduce to 25 grams?

Answer this Question

First Name:

School Subject:

Answer:

Related Questions

calculus - The rate at which an amount of a radioactive substance decays is ...
Calculus - The radioactive element polonium decays according to the law given ...
Math - A radioactive substance decays according to the formula Q(t) = Q0e−...
Math - A radioactive substance decays according to the formula Q(t) = Q0e−...
math - The mass m(t) remaining after t days from a 70 g sample of thorium-234 is...
CALCULUS - A smoke detector contains 0.2 mg of Americium 241 (Am-241), a ...
Calculus - A smoke detector contains 0.2 mg of Americium 241 (Am-241), a ...
Calculus - A smoke detector contains 0.2 mg of Americium 241 (Am-241), a ...
Math/Radioactive Dating - How would I calculate the age of a rock only given the...
Calculus - If 40 milligrams of strontium-90 radioactively decays to 12 ...